Submission

Score: 34

User: FakeAnutin

Problemset: ขายรถยนต์

Language: cpp

Time: 0.080 second

Submitted On: 2026-10-09 15:53:50

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n; cin>>n;
	int x=0,y=0;
	int kl=0;
	for(int i=1;i<=n;i++){
		int a,b; cin>>a>>b;
		if(a >= x && b <= y){
			kl++;
		}else if(a <=x && b >= y){
			kl++;
		}else{
			x=a;
			y=b;
		}
	}
	cout<<kl;
}